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1/5×12÷1/5= 0.25×12.5÷1/32= 2/3×4/9×
1/5×12÷1/5=
0.25×12.5÷1/32=
2/3×4/9×1/2=
6.9+3.1-6.9+3.1=
1÷1/2-1/2÷1=
3/5+3/5÷3/5+3/5=
1÷1/7×1÷1/7=
4/5×4/5÷4/5×4/5=
人气:242 ℃ 时间:2019-12-11 05:23:20
解答
12
100
7/27
6.2
1.5
11/5
49
16/25
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